<img src="https://tex.z-dn.net/?f=%28-%5Cfrac%7B5%7D%7B4%7D%20-%20%5Cfrac%7B2%7D%7B3%7D%29%20%2B%20%5Cfrac%7B1%7D%7B6%7D" id="Te

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3 years ago

xFormula1" title="(-\frac{5}{4} - \frac{2}{3}) + \frac{1}{6}" alt="(-\frac{5}{4} - \frac{2}{3}) + \frac{1}{6}" align="absmiddle" class="latex-formula">
Please help me solve this.

Mathematics

1 answer:

JulsSmile [24]3 years ago

4 0

- 7/4 Alternative form -1 3/4, -1.75

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If a linear equation is written in form y=1/2x-2, which method could be used to graph the line represented by the equation?

marshall27 [118]

To graph the line y=1/2x-2 you plot your first point at (0,-2) because that is your y-intercept and then you go up one and over two and plot your next point and you keep doing that until it forms a line and to go the other way you go down one left two. Hope this helps :D

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3 years ago

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Write an equation for a circle with a diameter that has endpoints at (7, –4) and (1, –10). Round to the nearest tenth if necessa

Black_prince [1.1K]

The standard form for the equation of a circle is :

(x−h)^2+(y−k)^2=r2 ----------- EQ(1)
where handk are the x and y coordinates of the center of the circle and r is the radius.
The center of the circle is the midpoint of the diameter.

So the midpoint of the diameter with endpoints at (7,-4)and(1,-10) is :

((7+(1))/2,(-4+(-10))/2)=(4,-7)

So the point (4,-7) is the center of the circle.

Now, use the distance formula to find the radius of the circle:

r^2=(7−(4))^2+(-4−(-7))^2=9+9=18

⇒r=√18

Subtituting h=4, k=-7 and r=√18 into EQ(1) gives :

(x-4)^2+(y+7)^2=18

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3 years ago

If 11 - 3x = x, then 20x=

dimaraw [331]

Answer:

20x = 55

Step-by-step explanation:

First you have to add 3x to both sides of 11-3x=x

$11-3x=x\\+3x=+3x\\11=4x$

Now that you have 11 = 4x you divide 4 on both sides $\frac{11}{4} =\frac{4x}{4}$

11/4 = x

But you can't divide 11 by 4 unless you are looking for the decimal form of 11/4 which is 2.75

so now we take 11/4 or 2.75 depending on if you need your answer in fraction or as a decimal and replace that with x however both will equal the number 55

$20(\frac{11}{4})=55\\20(2.75)=55$